United States Senate Committee on Aeronautics and Space Sciences (August 3, 1972). "Commercialization of Items Carried by Astronauts". United States Senate. Together with various exhibits, letters from NASA, newspaper articles introduced into evidence. Regards the Apollo 15 postal covers incident (envelopes taken to the Moon by the astronauts without permission), the Fallen Astronaut figure taken to the Moon, and the carrying of a watch by Astronaut David Scott without permission from higher-ups.